85870287

素因数分解:

$3^4\times {\mathrm{359}}^1\times {\mathrm{2953}}^1$

素因数の和:3324

約数の個数: 20

約数和(自身を含む): 128676240

約数和(自身を除く): 42805953

約数列:

[1, 3, 9, 27, 81, 359, 1077, 2953, 3231, 8859, 9693, 26577, 29079, 79731, 239193, 1060127, 3180381, 9541143, 28623429, 85870287]

約数ペア:

[(1, 85870287), (3, 28623429), (9, 9541143), (27, 3180381), (81, 1060127), (359, 239193), (1077, 79731), (2953, 29079), (3231, 26577), (8859, 9693)]